Materials and Construction MCQs

Question 1

A material is called 'ductile', if it can be

Accepted Answer

Drawn into wires

Answer

Hammered to a thin sheet

Answer

Fractured without deformation

Answer

Made lustrous by heating it

Question 2

Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making

Accepted Answer

Chiesels

Answer

Nuts

Answer

Bolts

Answer

Studs

Question 3

Cast iron has

Accepted Answer

Elastic limit close to ultimate breaking strength

Answer

Very high tensile strenth

Answer

High ductility

Answer

High malleability

Question 4

Cast iron has very high

Accepted Answer

Compressive strength

Answer

Ductility

Answer

Shock resistance

Answer

Resistance to brittleness

Question 5

Cast iron is

Accepted Answer

All of the above

Answer

Used for making shock resisting parts

Answer

Manufactured in cupola and is brittle

Answer

Having compressive strength more than its tensile strength

Question 6

Cast iron is having very high

Accepted Answer

Proximity between its elastic limit and ultimate breaking strength

Answer

Ductility

Answer

Tensile strength

Answer

All of the above

Question 7

Ability of a material to __________ is indicated by its damping capacity.

Accepted Answer

Absorb vibration

Answer

Withstand compression

Answer

Absorb shock

Answer

None of these

Question 8

Mixing vessel used for the chlorination of methane to produce methyl chloride is made of

Accepted Answer

Cast iron

Answer

Copper

Answer

Aluminium

Answer

High carbon steel

Question 9

Cementite is

Accepted Answer

All of the above

Answer

Fe 3 C chemically

Answer

A compound of carbon and iron

Answer

Characterised by an orthorhombic crystal structure